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236071

N,N′-Bis(salicylidene)ethylenediamine

98%

Synonim(y):

2,2′-Ethylenebis(nitrilomethylidene)diphenol, N,N′-Ethylenebis(salicylimine)

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Rozmiar/SKUDostępnośćCena netto
10 g
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206,00 zł

Informacje o tej pozycji

Wzór liniowy:
(CH2N=CHC6H4OH)2
Numer CAS:
Masa cząsteczkowa:
268.31
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
202-376-3
Beilstein/REAXYS Number:
535296
MDL number:
Assay:
98%

206,00 zł


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Quality Segment

assay

98%

manufacturer/tradename

ECACC

mp

127-128 °C (lit.)

solubility

water: insoluble(lit.)

functional group

amine, imine

SMILES string

Oc1ccccc1\C=N\CC\N=C\c2ccccc2O

InChI

1S/C16H16N2O2/c19-15-7-3-1-5-13(15)11-17-9-10-18-12-14-6-2-4-8-16(14)20/h1-8,11-12,19-20H,9-10H2/b17-11+,18-12+

InChI key

VEUMANXWQDHAJV-JYFOCSDGSA-N

General description

N,N′-Bis(salicylidene)ethylenediamine (salen) reacts with ferric chloride in acetone solution to yield the complex (Fe salen Cl).

Application

N,N′-Bis(salicylidene)ethylenediamine (salen) immobilized on surfactant-coated alumina has been used as complexing agent for on-line preconcentration of copper and lead by flow injection-flame atomic absorption spectrometry (FI-AAS).
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Ta pozycja
27471287600158186
description

98%

description

99%

description

technical

description

≥98%

assay

98%

assay

99%

assay

-

assay

≥98%

solubility

water: insoluble(lit.)

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

mp

127-128 °C (lit.)

mp

-

mp

-

mp

224 °C (dec.) (lit.)

functional group

amine, imine

functional group

-

functional group

amine, hydroxyl

functional group

amine, carboxylic acid

manufacturer/tradename

ECACC

manufacturer/tradename

-

manufacturer/tradename

-

manufacturer/tradename

-


Piktogramy

Exclamation mark

Słowo ostrzegawcze

Warning

Kody zagrożeń

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Narządy docelowe

Respiratory system

Klasa składowania

11 - Combustible Solids

Co się dzieje?

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

PPE (środki ochrony indywidualnej)

dust mask type N95 (US), Eyeshields, Gloves



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Certyfikaty analizy (CoA)

Lot/Batch Number

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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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